Home / 151,423.65-208,961.82-83,446.92

Finding the Fourth Proportional to 151,423.65, 208,961.82 and 83,446.92

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Solution

The fourth proportional to 151,423.65, 208,961.82 and 83,446.92 is: 115,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,423.65 : 208,961.82 = 83,446.92 : x
  2. Step 2: Convert to fraction form
    151,423.65/208,961.82 = 83,446.92/x
  3. Step 3: Cross multiply
    151,423.65x = 208,961.82 × 83,446.92
  4. Step 4: Simplify right side
    151,423.65x = 17,437,220,276.59
  5. Step 5: Solve for x
    x = 17,437,220,276.59/151,423.65
  6. Step 6: Final answer
    x = 115,155.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.